California Code, Penal Code - PEN § 25100

(1) The person keeps any firearm within any premises that are under the person's custody or control.

(2) The person knows or reasonably should know that a child is likely to gain access to the firearm without the permission of the child's parent or legal guardian, or that a person prohibited from possessing a firearm or deadly weapon pursuant to state or federal law is likely to gain access to the firearm.

(3) The child obtains access to the firearm and thereby causes death or great bodily injury to the child or any other person, or the person prohibited from possessing a firearm or deadly weapon pursuant to state or federal law obtains access to the firearm and thereby causes death or great bodily injury to themselves or any other person.

(1) The person keeps any firearm within any premises that are under the person's custody or control.

(2) The person knows or reasonably should know that a child is likely to gain access to the firearm without the permission of the child's parent or legal guardian, or that a person prohibited from possessing a firearm or deadly weapon pursuant to state or federal law is likely to gain access to the firearm.

(3) The child obtains access to the firearm and thereby causes injury, other than great bodily injury, to the child or any other person, or carries the firearm either to a public place or in violation of Section 417, or the person prohibited from possessing a firearm or deadly weapon pursuant to state or federal law obtains access to the firearm and thereby causes injury, other than great bodily injury, to themselves or any other person, or carries the firearm either to a public place or in violation of Section 417.